== sanity test 398c: run fio to test AIO ================= 22:34:28 (1746153268) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.110209 s, 381 MB/s osc.lustre-OST0000-osc-ffff8800b597e000.rpc_stats=clear writing 40M to OST0 by fio with 4 jobs... rand-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.7 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=900: Thu May 1 22:35:36 2025 write: IOPS=38, BW=154KiB/s (157kB/s)(10.0MiB/66581msec) slat (usec): min=10, max=3351, avg=103.40, stdev=182.44 clat (msec): min=33, max=890, avg=415.73, stdev=122.32 lat (msec): min=33, max=891, avg=415.84, stdev=122.34 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 253], 10.00th=[ 284], 20.00th=[ 317], | 30.00th=[ 351], 40.00th=[ 372], 50.00th=[ 397], 60.00th=[ 430], | 70.00th=[ 472], 80.00th=[ 518], 90.00th=[ 584], 95.00th=[ 634], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 48, max= 392, per=24.90%, avg=152.91, stdev=47.71, samples=133 iops : min= 12, max= 98, avg=38.11, stdev=11.93, samples=133 lat (msec) : 50=0.16%, 100=0.39%, 250=3.98%, 500=72.30%, 750=22.70% lat (msec) : 1000=0.47% cpu : usr=0.19%, sys=0.53%, ctx=1669, majf=0, minf=32 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=901: Thu May 1 22:35:36 2025 write: IOPS=38, BW=154KiB/s (157kB/s)(10.0MiB/66618msec) slat (usec): min=11, max=9283, avg=103.75, stdev=237.08 clat (msec): min=26, max=798, avg=415.95, stdev=118.23 lat (msec): min=26, max=798, avg=416.06, stdev=118.24 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 262], 10.00th=[ 284], 20.00th=[ 321], | 30.00th=[ 347], 40.00th=[ 372], 50.00th=[ 397], 60.00th=[ 430], | 70.00th=[ 468], 80.00th=[ 514], 90.00th=[ 575], 95.00th=[ 634], | 99.00th=[ 743], 99.50th=[ 760], 99.90th=[ 793], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 56, max= 320, per=24.91%, avg=152.93, stdev=42.78, samples=133 iops : min= 14, max= 80, avg=38.12, stdev=10.68, samples=133 lat (msec) : 50=0.04%, 100=0.08%, 250=3.71%, 500=73.59%, 750=21.88% lat (msec) : 1000=0.70% cpu : usr=0.14%, sys=0.56%, ctx=1683, majf=0, minf=30 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=902: Thu May 1 22:35:36 2025 write: IOPS=38, BW=154KiB/s (158kB/s)(10.0MiB/66553msec) slat (usec): min=10, max=2830, avg=97.76, stdev=153.96 clat (msec): min=107, max=906, avg=415.43, stdev=121.08 lat (msec): min=107, max=906, avg=415.53, stdev=121.09 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 255], 10.00th=[ 279], 20.00th=[ 317], | 30.00th=[ 342], 40.00th=[ 368], 50.00th=[ 397], 60.00th=[ 430], | 70.00th=[ 472], 80.00th=[ 518], 90.00th=[ 584], 95.00th=[ 642], | 99.00th=[ 735], 99.50th=[ 743], 99.90th=[ 776], 99.95th=[ 860], | 99.99th=[ 911] bw ( KiB/s): min= 48, max= 376, per=24.89%, avg=152.83, stdev=47.34, samples=133 iops : min= 12, max= 94, avg=38.02, stdev=11.89, samples=133 lat (msec) : 250=4.49%, 500=71.76%, 750=23.36%, 1000=0.39% cpu : usr=0.19%, sys=0.49%, ctx=1640, majf=0, minf=30 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=903: Thu May 1 22:35:36 2025 write: IOPS=38, BW=154KiB/s (157kB/s)(10.0MiB/66618msec) slat (usec): min=10, max=2271, avg=100.89, stdev=162.97 clat (msec): min=108, max=828, avg=415.83, stdev=119.18 lat (msec): min=108, max=828, avg=415.93, stdev=119.19 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 255], 10.00th=[ 279], 20.00th=[ 313], | 30.00th=[ 347], 40.00th=[ 368], 50.00th=[ 397], 60.00th=[ 430], | 70.00th=[ 472], 80.00th=[ 518], 90.00th=[ 575], 95.00th=[ 634], | 99.00th=[ 735], 99.50th=[ 760], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 827] bw ( KiB/s): min= 56, max= 336, per=24.90%, avg=152.90, stdev=44.14, samples=133 iops : min= 14, max= 84, avg=38.09, stdev=11.05, samples=133 lat (msec) : 250=4.10%, 500=72.42%, 750=22.93%, 1000=0.55% cpu : usr=0.06%, sys=0.62%, ctx=1577, majf=0, minf=27 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): WRITE: bw=615KiB/s (630kB/s), 154KiB/s-154KiB/s (157kB/s-158kB/s), io=40.0MiB (41.9MB), run=66553-66618msec mix rw 40M to OST0 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=970: Thu May 1 22:36:26 2025 read: IOPS=25, BW=103KiB/s (106kB/s)(5048KiB/48931msec) slat (usec): min=1195, max=14870, avg=3985.20, stdev=1733.31 clat (msec): min=5, max=547, avg=200.78, stdev=49.30 lat (msec): min=10, max=550, avg=204.77, stdev=49.64 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 133], 10.00th=[ 146], 20.00th=[ 165], | 30.00th=[ 178], 40.00th=[ 188], 50.00th=[ 199], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 236], 90.00th=[ 259], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 355], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 39, max= 192, per=25.27%, avg=103.36, stdev=33.63, samples=97 iops : min= 9, max= 48, avg=25.67, stdev= 8.41, samples=97 write: IOPS=26, BW=106KiB/s (109kB/s)(5192KiB/48931msec) slat (usec): min=15, max=2659, avg=122.50, stdev=240.72 clat (msec): min=131, max=847, avg=403.04, stdev=116.00 lat (msec): min=132, max=847, avg=403.17, stdev=116.01 clat percentiles (msec): | 1.00th=[ 192], 5.00th=[ 239], 10.00th=[ 266], 20.00th=[ 305], | 30.00th=[ 334], 40.00th=[ 359], 50.00th=[ 388], 60.00th=[ 422], | 70.00th=[ 460], 80.00th=[ 502], 90.00th=[ 558], 95.00th=[ 609], | 99.00th=[ 735], 99.50th=[ 802], 99.90th=[ 844], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 39, max= 160, per=24.84%, avg=105.84, stdev=26.45, samples=97 iops : min= 9, max= 40, avg=26.29, stdev= 6.69, samples=97 lat (msec) : 10=0.04%, 50=0.31%, 100=0.23%, 250=45.94%, 500=43.20% lat (msec) : 750=9.84%, 1000=0.43% cpu : usr=0.26%, sys=1.55%, ctx=2711, majf=0, minf=34 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1262,1298,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=971: Thu May 1 22:36:26 2025 read: IOPS=25, BW=102KiB/s (104kB/s)(4976KiB/48962msec) slat (usec): min=1226, max=16388, avg=4052.54, stdev=1806.71 clat (msec): min=2, max=502, avg=198.72, stdev=47.83 lat (msec): min=6, max=509, avg=202.78, stdev=48.22 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 134], 10.00th=[ 146], 20.00th=[ 163], | 30.00th=[ 176], 40.00th=[ 188], 50.00th=[ 199], 60.00th=[ 207], | 70.00th=[ 220], 80.00th=[ 234], 90.00th=[ 255], 95.00th=[ 275], | 99.00th=[ 313], 99.50th=[ 321], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 15, max= 216, per=24.75%, avg=101.24, stdev=35.14, samples=97 iops : min= 3, max= 54, avg=25.09, stdev= 8.82, samples=97 write: IOPS=26, BW=108KiB/s (110kB/s)(5264KiB/48962msec) slat (usec): min=14, max=4606, avg=134.00, stdev=271.07 clat (msec): min=133, max=852, avg=402.77, stdev=113.99 lat (msec): min=133, max=852, avg=402.90, stdev=113.99 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 239], 10.00th=[ 271], 20.00th=[ 300], | 30.00th=[ 338], 40.00th=[ 359], 50.00th=[ 393], 60.00th=[ 426], | 70.00th=[ 464], 80.00th=[ 498], 90.00th=[ 550], 95.00th=[ 600], | 99.00th=[ 701], 99.50th=[ 768], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 48, max= 168, per=25.14%, avg=107.09, stdev=28.57, samples=97 iops : min= 12, max= 42, avg=26.56, stdev= 7.18, samples=97 lat (msec) : 4=0.04%, 10=0.08%, 50=0.43%, 100=0.20%, 250=45.90% lat (msec) : 500=43.24%, 750=9.84%, 1000=0.27% cpu : usr=0.23%, sys=1.58%, ctx=2726, majf=0, minf=32 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1244,1316,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=972: Thu May 1 22:36:26 2025 read: IOPS=25, BW=102KiB/s (104kB/s)(4984KiB/48889msec) slat (usec): min=22, max=18219, avg=4043.01, stdev=1884.69 clat (msec): min=4, max=645, avg=198.31, stdev=49.39 lat (msec): min=4, max=651, avg=202.36, stdev=49.93 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 130], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 174], 40.00th=[ 186], 50.00th=[ 197], 60.00th=[ 207], | 70.00th=[ 220], 80.00th=[ 236], 90.00th=[ 259], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 334], 99.90th=[ 506], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 32, max= 216, per=25.03%, avg=102.36, stdev=34.70, samples=97 iops : min= 8, max= 54, avg=25.41, stdev= 8.70, samples=97 write: IOPS=26, BW=108KiB/s (110kB/s)(5256KiB/48889msec) slat (usec): min=15, max=4600, avg=130.44, stdev=270.44 clat (msec): min=40, max=857, avg=402.76, stdev=116.41 lat (msec): min=40, max=857, avg=402.89, stdev=116.41 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 234], 10.00th=[ 266], 20.00th=[ 309], | 30.00th=[ 338], 40.00th=[ 368], 50.00th=[ 388], 60.00th=[ 422], | 70.00th=[ 456], 80.00th=[ 493], 90.00th=[ 558], 95.00th=[ 617], | 99.00th=[ 726], 99.50th=[ 776], 99.90th=[ 852], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 39, max= 176, per=25.13%, avg=107.06, stdev=28.97, samples=97 iops : min= 9, max= 44, avg=26.59, stdev= 7.28, samples=97 lat (msec) : 10=0.12%, 50=0.35%, 100=0.39%, 250=45.70%, 500=43.91% lat (msec) : 750=9.10%, 1000=0.43% cpu : usr=0.31%, sys=1.49%, ctx=2693, majf=0, minf=30 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1246,1314,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=973: Thu May 1 22:36:26 2025 read: IOPS=25, BW=104KiB/s (106kB/s)(5060KiB/48887msec) slat (usec): min=1175, max=15271, avg=3970.62, stdev=1705.53 clat (msec): min=10, max=534, avg=199.15, stdev=48.42 lat (msec): min=13, max=536, avg=203.13, stdev=48.80 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 128], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 178], 40.00th=[ 188], 50.00th=[ 199], 60.00th=[ 209], | 70.00th=[ 220], 80.00th=[ 236], 90.00th=[ 257], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 334], 99.90th=[ 439], 99.95th=[ 535], | 99.99th=[ 535] bw ( KiB/s): min= 40, max= 184, per=25.35%, avg=103.68, stdev=32.37, samples=97 iops : min= 10, max= 46, avg=25.74, stdev= 8.06, samples=97 write: IOPS=26, BW=106KiB/s (109kB/s)(5180KiB/48887msec) slat (usec): min=13, max=3954, avg=123.38, stdev=227.63 clat (msec): min=128, max=858, avg=404.52, stdev=115.42 lat (msec): min=128, max=860, avg=404.65, stdev=115.43 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 241], 10.00th=[ 271], 20.00th=[ 305], | 30.00th=[ 334], 40.00th=[ 363], 50.00th=[ 393], 60.00th=[ 422], | 70.00th=[ 464], 80.00th=[ 502], 90.00th=[ 550], 95.00th=[ 609], | 99.00th=[ 751], 99.50th=[ 776], 99.90th=[ 818], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 48, max= 183, per=24.76%, avg=105.49, stdev=26.23, samples=97 iops : min= 12, max= 45, avg=26.20, stdev= 6.57, samples=97 lat (msec) : 20=0.08%, 50=0.51%, 100=0.16%, 250=45.90%, 500=43.24% lat (msec) : 750=9.53%, 1000=0.59% cpu : usr=0.22%, sys=1.56%, ctx=2745, majf=0, minf=30 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1265,1295,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=410KiB/s (420kB/s), 102KiB/s-104KiB/s (104kB/s-106kB/s), io=19.6MiB (20.5MB), run=48887-48962msec WRITE: bw=427KiB/s (437kB/s), 106KiB/s-108KiB/s (109kB/s-110kB/s), io=20.4MiB (21.4MB), run=48887-48962msec AIO with large block size 40M rand-rw: (g=0): rw=randrw, bs=(R) 40.0MiB-40.0MiB, (W) 40.0MiB-40.0MiB, (T) 40.0MiB-40.0MiB, ioengine=libaio, iodepth=16 fio-3.7 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=1016: Thu May 1 22:36:28 2025 read: IOPS=2, BW=110MiB/s (115MB/s)(40.0MiB/365msec) slat (nsec): min=6328.4k, max=6328.4k, avg=6328449.00, stdev= 0.00 clat (nsec): min=338923k, max=338923k, avg=338922689.00, stdev= 0.00 lat (nsec): min=345275k, max=345275k, avg=345275243.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 338], 5.00th=[ 338], 10.00th=[ 338], 20.00th=[ 338], | 30.00th=[ 338], 40.00th=[ 338], 50.00th=[ 338], 60.00th=[ 338], | 70.00th=[ 338], 80.00th=[ 338], 90.00th=[ 338], 95.00th=[ 338], | 99.00th=[ 338], 99.50th=[ 338], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] lat (msec) : 500=100.00% cpu : usr=0.27%, sys=0.82%, ctx=39, majf=0, minf=29 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=110MiB/s (115MB/s), 110MiB/s-110MiB/s (115MB/s-115MB/s), io=40.0MiB (41.9MB), run=365-365msec debug=trace inode super iotrace malloc cache info ioctl neterror net warning buffs other dentry nettrace page dlmtrace error emerg ha rpctrace vfstrace reada mmap config console quota sec lfsck hsm snapshot layout